Which unit do you subtract from JavaScript / MongoDB Date object?

Question

Refering to this question https://stackoverflow.com/questions/18212982/date-sub-interval-equivalent-in-mongodb, I need to subtract N days from a Date object. As MongoDB uses Javascript datatypes, my question is:

On subtracting X from Date(), is X the number of seconds? Or Minutes? Or Microseconds?

possible duplicate of [Query Mongodb on month, day, year... of a datetime](http://stackoverflow.com/questions/8136652/query-mongodb-on-month-day-year-of-a-datetime) — WiredPrairie, Aug 19 '13 at 12:12
https://www.google.com/search?q=milliseconds+in+day&oq=milliseconds+in+day — WiredPrairie, Aug 19 '13 at 12:23
I actually was confused by this answer: http://stackoverflow.com/questions/1187824/finding-date-by-subtracting-x-number-of-days-from-a-particular-date-in-javascrip — Daniel W., Aug 19 '13 at 12:25

score 1 · Accepted Answer · answered Aug 19 '13 at 12:09

1

X is miliseconds. [its not microseconds]

answered Aug 19 '13 at 12:09

kaushik gandhi

2

A microsecond isn't a millisecond. – WiredPrairie Aug 19 '13 at 12:10
So `Date() - (1000 * 60 * 60 * 24)` represents 24 hours of range correct? – Daniel W. Aug 19 '13 at 12:14
yes correct . It will substract one day from the current Date() . check out this for more information http://stackoverflow.com/questions/14135856/calculating-number-of-days-between-dates – kaushik gandhi Aug 19 '13 at 12:21

1 Answers1